695zz plastic injection pullys High precision and Durability low vibration, Low noise Reasonable price fast delivery Sliding doors/window carbon steel 695zz plastic injection pullys NameSliding doors/window carbon steel 695zz plastic injection pullysMaterialchrome steel (GCr15), carbon steel (GCr11)Steel Type open, Z, ZZ, RS, 2RS, RZ, 2RZAccuracy LevelZ1, Z2, Z3Vibration Level codesV1,V2, ...